In the end, we only regret the chances we didn't take.

The writer's only responsibility is to his art.

To All, only love is the best teacher, it is far better than the responsibility.

The quality of an organization's ethics determines the quality of its decisions.

选自汉·桓宽《盐铁论·申韩》。从事治学的人，需要广泛的阅读，并且需要从中吸取正确、有用的内容。